Tutulemma: Solar Eclipse Analemma Image Credit & Copyright: Cenk E. Tezel and Tunç Tezel (TWAN) Explanation: If you went outside at exactly the same time every day and took a picture that included the.
Gravity's Grin - Gravitational lensing as Cheshire Cat - The Cheshire Cat galaxy group grins in the constellation Ursa Major, some billion light-years away. (credit: X-ray - NASA / CXC / J. Irwin et al.
Flash Point The Perseid Meteor Shower shoots across the sky in the early hours of August appearing to cascade from Mount Shasta in California, USA. The composite image features roughly 65 meteors captured by the photographer between and